ABAP Select data from SAP table RJYCIC_MSD_ORDERLIST_ALV into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RJYCIC_MSD_ORDERLIST_ALV table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to RJYCIC_MSD_ORDERLIST_ALV. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the RJYCIC_MSD_ORDERLIST_ALV table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_RJYCIC_MSD_ORDERLIST_ALV TYPE STANDARD TABLE OF RJYCIC_MSD_ORDERLIST_ALV,
      WA_RJYCIC_MSD_ORDERLIST_ALV TYPE RJYCIC_MSD_ORDERLIST_ALV,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <RJYCIC_MSD_ORDERLIST_ALV> TYPE RJYCIC_MSD_ORDERLIST_ALV.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_RJYCIC_MSD_ORDERLIST_ALV.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM RJYCIC_MSD_ORDERLIST_ALV
  INTO TABLE IT_RJYCIC_MSD_ORDERLIST_ALV.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RJYCIC_MSD_ORDERLIST_ALV
*  INTO TABLE @DATA(IT_RJYCIC_MSD_ORDERLIST_ALV2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_RJYCIC_MSD_ORDERLIST_ALV INDEX 1 INTO DATA(WA_RJYCIC_MSD_ORDERLIST_ALV2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_RJYCIC_MSD_ORDERLIST_ALV ASSIGNING <RJYCIC_MSD_ORDERLIST_ALV>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RJYCIC_MSD_ORDERLIST_ALV>-MARK = 1.
<RJYCIC_MSD_ORDERLIST_ALV>-EXPAND = 1.
<RJYCIC_MSD_ORDERLIST_ALV>-VBELN = 1.
<RJYCIC_MSD_ORDERLIST_ALV>-AUART = 1.
<RJYCIC_MSD_ORDERLIST_ALV>-POSEX = 1.

ENDLOOP.

LOOP AT IT_RJYCIC_MSD_ORDERLIST_ALV INTO WA_RJYCIC_MSD_ORDERLIST_ALV.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RJYCIC_MSD_ORDERLIST_ALV-POSNR, sy-vline,
  WA_RJYCIC_MSD_ORDERLIST_ALV-POSNR_MAIN, sy-vline,
  WA_RJYCIC_MSD_ORDERLIST_ALV-POSNR_SUB, sy-vline,
  WA_RJYCIC_MSD_ORDERLIST_ALV-DELIVSPLIT, sy-vline,
  WA_RJYCIC_MSD_ORDERLIST_ALV-POART, sy-vline,
  WA_RJYCIC_MSD_ORDERLIST_ALV-POART_EX, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RJYCIC_MSD_ORDERLIST_ALV you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_RJYCIC_MSD_ORDERLIST_ALV TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_RJYCIC_MSD_ORDERLIST_ALV INTO WA_RJYCIC_MSD_ORDERLIST_ALV.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.

*Conversion exit ALPHA, internal->external for field VBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJYCIC_MSD_ORDERLIST_ALV-VBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJYCIC_MSD_ORDERLIST_ALV-VBELN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field DELIVSPLIT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJYCIC_MSD_ORDERLIST_ALV-DELIVSPLIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJYCIC_MSD_ORDERLIST_ALV-DELIVSPLIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field DRERZ
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJYCIC_MSD_ORDERLIST_ALV-DRERZ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJYCIC_MSD_ORDERLIST_ALV-DRERZ.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PVA
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJYCIC_MSD_ORDERLIST_ALV-PVA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJYCIC_MSD_ORDERLIST_ALV-PVA.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_RJYCIC_MSD_ORDERLIST_ALV_STR, 
MARK TYPE STRING,
EXPAND TYPE STRING,
VBELN TYPE STRING,
AUART TYPE STRING,
POSEX TYPE STRING,
POSNR TYPE STRING,
POSNR_MAIN TYPE STRING,
POSNR_SUB TYPE STRING,
DELIVSPLIT TYPE STRING,
POART TYPE STRING,
POART_EX TYPE STRING,
POART_ICON TYPE STRING,
AEART TYPE STRING,
POSNR_UR TYPE STRING,
GUELTIGVON TYPE STRING,
GUELTIGBIS TYPE STRING,
DYNGUELVON TYPE STRING,
DYNGUELBIS TYPE STRING,
STATE TYPE STRING,
DRERZ TYPE STRING,
PVA TYPE STRING,
LIEFERART TYPE STRING,
BEZPER TYPE STRING,
EXPDATE TYPE STRING,
XOPEN_CYCLE TYPE STRING,
DUEDATE TYPE STRING,
JPARVWTAB TYPE STRING,
POSNR_REF TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RJYCIC_MSD_ORDERLIST_ALV_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_RJYCIC_MSD_ORDERLIST_ALV_STR-MARK sy-vline 
WA_RJYCIC_MSD_ORDERLIST_ALV_STR-EXPAND sy-vline 
WA_RJYCIC_MSD_ORDERLIST_ALV_STR-VBELN sy-vline 
WA_RJYCIC_MSD_ORDERLIST_ALV_STR-AUART sy-vline 
WA_RJYCIC_MSD_ORDERLIST_ALV_STR-POSEX sy-vline 
WA_RJYCIC_MSD_ORDERLIST_ALV_STR-POSNR sy-vline 
WA_RJYCIC_MSD_ORDERLIST_ALV_STR-POSNR_MAIN sy-vline 
WA_RJYCIC_MSD_ORDERLIST_ALV_STR-POSNR_SUB sy-vline 
WA_RJYCIC_MSD_ORDERLIST_ALV_STR-DELIVSPLIT sy-vline 
WA_RJYCIC_MSD_ORDERLIST_ALV_STR-POART sy-vline 
WA_RJYCIC_MSD_ORDERLIST_ALV_STR-POART_EX sy-vline 
WA_RJYCIC_MSD_ORDERLIST_ALV_STR-POART_ICON sy-vline 
WA_RJYCIC_MSD_ORDERLIST_ALV_STR-AEART sy-vline 
WA_RJYCIC_MSD_ORDERLIST_ALV_STR-POSNR_UR sy-vline 
WA_RJYCIC_MSD_ORDERLIST_ALV_STR-GUELTIGVON sy-vline 
WA_RJYCIC_MSD_ORDERLIST_ALV_STR-GUELTIGBIS sy-vline 
WA_RJYCIC_MSD_ORDERLIST_ALV_STR-DYNGUELVON sy-vline 
WA_RJYCIC_MSD_ORDERLIST_ALV_STR-DYNGUELBIS sy-vline 
WA_RJYCIC_MSD_ORDERLIST_ALV_STR-STATE sy-vline 
WA_RJYCIC_MSD_ORDERLIST_ALV_STR-DRERZ sy-vline 
WA_RJYCIC_MSD_ORDERLIST_ALV_STR-PVA sy-vline 
WA_RJYCIC_MSD_ORDERLIST_ALV_STR-LIEFERART sy-vline 
WA_RJYCIC_MSD_ORDERLIST_ALV_STR-BEZPER sy-vline 
WA_RJYCIC_MSD_ORDERLIST_ALV_STR-EXPDATE sy-vline 
WA_RJYCIC_MSD_ORDERLIST_ALV_STR-XOPEN_CYCLE sy-vline 
WA_RJYCIC_MSD_ORDERLIST_ALV_STR-DUEDATE sy-vline 
WA_RJYCIC_MSD_ORDERLIST_ALV_STR-JPARVWTAB sy-vline 
WA_RJYCIC_MSD_ORDERLIST_ALV_STR-POSNR_REF sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.